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  • 1. 2010 Ford FLEX Click to download a complete RV & Trailer Towing Guide. The innovative Ford Flex matches the people and cargo-carrying capacity of big SUVs, FLEX but in a sporty and assertively styled crossover that’s perfect for everything you want STANDARD TOWING to do today. EQUIPMENT & TRAILER KEY FEATURES • Standard Duratec ® 3.5L DOHC TOWING PACKAGES engine makes 262 hp and 248 lb.-ft. Flex • 4,500-lb. towing capability when Model (Option Code) (53G) of torque! Its 6-speed automatic equipped with Class III Trailer Tow 7-Wire Harness & 4/7-Pin Connector X transmission provides both good Package, which includes a class- Hitch Receiver X acceleration and unsurpassed fuel Trailer Sway Control X exclusive Trailer Sway Control mileage (1) in either the front-wheel or Engine Oil Cooler X • Three rows of innovative seating for all-wheel drive models Tire Mobility Kit X up to seven people, including best-in- • Available, all-new 3.5L EcoBoost V6 Notes: • Content may vary depending on model, class leg room in the 2nd- and 3rd-row trim and/or powertrain. See your Dealer twin turbo-charged, direct-injection (Large crossover class) for specific content information engine with 355 hp and 350 lb.-ft. of • Trailer Towing Package recommended • Flat load surface from front to back torque, provides V8 power with V6 fuel for all light trucks that will be used with fold-flat front passenger seat for towing to help ensure easy, proper economy (2) connection of trailer lights • Fold-flat 2nd-row seat and fold-in-floor 3rd-row seat (1) EPA-estimated 17 city/24 hwy mpg on FWD and 16 city/22 hwy mpg on AWD. (2) EPA-estimated 22 mpg hwy on AWD. Required Trailer Towing Equipment Includes items that must be FRONTAL AREA CONSIDERATIONS installed.* Your New Vehicle Frontal Area Limitations/ Limited Warranty (see your dealer Vehicle Line Considerations With for a copy) may be voided if you Flex 25 sq. ft. Without Trailer Tow Package Class III tow without them. 35 sq. ft. With Trailer Tow Package Class III Flex Frontal area is the total area in square feet that a moving vehicle and trailer • For Trailers Over 2,000 Pounds – exposes to air resistance. The chart shows the limitations that must be considered Class III Trailer Tow Package in selecting a vehicle/trailer combination. Exceeding these limitations may *Check with your dealer for additional significantly reduce the performance of your towing vehicle. Selecting a trailer with requirements and restrictions. a low-drag, rounded front design will help optimize performance and fuel economy.
  • 2. TRAILER TOWING SELECTOR FLEX VEHICLE LINE FLEx Towing Class Light-Duty Heavy-Duty Class I Class III Max. Gross Trailer Wt. (Lbs.) 2,000 4,500 Max. Tongue Load (Lbs.) 200 450 Hitch Receiver Weight Capacity The maximum weight capacities for the weight-distributing hitch receivers shown below may exceed the maximum loaded trailer weight for the vehicle specified. Refer to the Trailer Towing Selector chart for Maximum Loaded Trailer Weight for this vehicle. Weight-Carrying Max. Tongue Weight-Distributing Max. Tongue Max. Trailer Load Max. Trailer Load Vehicle Capacity (Lbs.) (1) (Lbs.) Capacity (Lbs.) (1) (Lbs.) Hitch Receiver: Flex 2,000 200 4,500 450 (1) Hitch receivers do not include a hitch ball or ball mounting. The vehicle owner is responsible for obtaining the proper hitch ball, ball mounting, weight distributing equipment (i.e., equalizing arms and snap-up brackets, sway control system) and other appropriate equipment to tow both the trailer and its cargo load. Factory-Installed Trailer Hitch Receiver Option • Flex: Included with Class III Trailer Tow Package – Option Code 53G Note: See chart above for the weight-carrying and weight-distributing capacities of these hitch receivers. (These capacities also are shown on a label affixed to each receiver.) The vehicle owner is responsible for obtaining the proper hitch ball, ball mounting, weight-distributing equipment (i.e., equalizing arms and snap-up brackets, sway control system) and other appropriate equipment to tow both the trailer and load that will be towed.
  • 3. What to KNOW Before You Tow Before You Buy After You Buy If you are selecting a vehicle that will be used for towing, you Before heading out on a trip, check your vehicle’s Owner Guide should determine the approximate weight of the trailer you intend for break-in and severe-duty maintenance schedules (do not tow to tow, including the weight of any additional cargo and fluids that a trailer until your vehicle has been driven at least 500 miles). you will be carrying in the trailer. Also be sure the vehicle has the Be sure to have your fully loaded vehicle (including passengers) proper optional equipment. Keep in mind that performance can be and trailer weighed so as not to exceed critical weight limits. If severely compromised in hilly terrain when minimum acceptable any of these limits are exceeded, cargo should be removed from powertrain combination is selected. Consider purchasing a vehicle the vehicle and/or trailer until all weights are within the specified with a more powerful engine. limits. BRAKES SAFETY CHAINS Many states require a separate braking system on trailers with a • Always use safety chains when towing. Safety chains are used to loaded weight of more than 1,500 pounds. For your safety, Ford Motor retain connection between the towing and towed vehicle in the event Company recommends that a separate functional brake system be of separation of the trailer coupling or ball used on any towed vehicle, including those dolly-towed or towbar- • Use cross chains under the trailer tongue to prevent the tongue from towed. There are two basic types of brake systems designed to contacting the ground if a separation occurs. Allow only enough slack activate trailer brakes: to permit full turning – be sure they do not drag on the pavement 1. Electronically Controlled Brakes usually provide automatic and • When using a frame-mounted trailer hitch, attach the safety chains manual control of trailer brakes. They require that the tow vehicle to the frame-mounted hitch using the recommendations supplied by be equipped with a controlling device and additional wiring for the hitch manufacturer electrical power. These brakes typically have a control box • See your vehicle’s Owner Guide for safety chain attachment installed within reach of the driver and can be applied manually information or automatically. • For rental trailers, follow rental agency instructions for hookup of 2. Surge Brakes are independent hydraulic brakes activated by a safety chains master cylinder at the junction of the hitch and trailer tongue. They are not controlled by the hydraulic fluid in the tow vehicle’s brake system, and the tow vehicle’s hydraulic system should never be TRAILER WIRING HARNESS • Some vehicles equipped with a factory-installed Trailer Tow Package connected directly to the trailer’s hydraulic system. include a trailer wiring harness and a wiring kit Be sure your trailer brakes conform to all applicable state regulations. See Quick Tips – Safe Trailering on back cover for additional • This kit includes one or more jumper harnesses (to connect to your braking information. trailer wiring connector) and installation instructions TRAILER LAMPS Make sure the trailer is equipped with lights that conform to all applicable government regulations. The trailer lighting system should not be connected directly to the lighting system of the vehicle. See a local recreational vehicle dealer or rental trailer agency for correct wiring and relays for the trailer and heavy-duty flashers.
  • 4. SAFE TRAILERING Towing a trailer is demanding on your vehicle, your PARKING WITH A TRAILER DRIVING WITH SPEED CONTROL trailer and your personal driving skills. Follow some Whenever possible, vehicles with trailers should not When driving uphill with a heavy load, significant basic rules and you’ll tow more safely and have a lot be parked on a grade. However, if it is necessary, speed drops may occur. more fun. place wheel chocks under the trailer’s wheels, • An 8-14 mph speed drop will automatically cancel WEIGHT DISTRIBUTION following the instructions below. speed control • For optimum handling and braking, the load must • Apply the foot service brakes and hold • Temporarily resume manual control through the be properly distributed • Have another person place the wheel chocks under vehicle’s accelerator pedal until the terrain levels off the trailer wheels on the downgrade side • Keep center of gravity low for best handling TIRE PRESSURE • Approximately 60% of the allowable cargo weight • Once the chocks are in place, release brake pedal, • Underinflated tires get hot and may fail, leading to should be in the front half of the trailer and 40% making sure the chocks will hold the vehicle and possible loss of vehicle control in the rear (within limits of tongue load or king pin trailer • Overinflated tires may wear unevenly weight) • Apply the parking brake • Tires should be checked often for conformance to • Load should be balanced from side-to-side to • Shift automatic transmission into Park, or manual recommended cold inflation pressures optimize handling and tire wear transmission into Reverse • Load must be firmly secured to prevent shifting • With 4-wheel drive, make sure the transfer case is SPARE TIRE USE not in Neutral (if applicable) A conventional full-size spare tire is required for trailer during cornering or braking, which could result in a towing (mini spare tires should not be used; always sudden loss of control STARTING OUT WHEN PARKED ON A GRADE replace the spare tire with the road tire as soon as BEFORE STARTING • Apply the foot service brake and hold possible). • Before setting out on a trip, practice turning, • Start the engine with transmission in Park stopping and backing up your trailer in an area (automatic) or Neutral (manual) ON THE ROAD • Shift the transmission into gear and release the After about 50 miles, stop in a protected location and away from heavy traffic parking brake double-check: • Know clearance required for trailer roof • Release the brake pedal and move the vehicle • Trailer hitch attachment • Check equipment (make a checklist) uphill to free the chocks • Lights and electrical connections BACKING • Apply the brake pedal while another person • Trailer wheel lug nuts for tightness • Back up slowly, with someone spotting near the retrieves the chocks • Engine oil – check regularly throughout trip rear of the trailer to guide you • Place one hand at bottom of steering wheel and ACCELERATION AND PASSING HIGH ALTITUDE OPERATION The added weight of the trailer can dramatically Gasoline engines lose power by 3-4% per 1,000 ft. move it in the direction you want the trailer to go decrease the acceleration of the towing vehicle – elevation. To maintain performance, reduce GVWs and • Make small steering inputs – slight movement of exercise caution. GCWs by 2% per 1,000 ft. elevation. steering wheel results in much greater movement in rear of trailer • When passing a slower vehicle, be sure to allow POWERTRAIN/FRONTAL AREA extra distance. Remember, the added length of the CONSIDERATIONS TURNING trailer must clear the other vehicle before you can The charts in this guide show the minimum engine size When turning, be sure to swing wide enough to allow pull back in needed to move the GCW of tow vehicle and trailer. trailer to avoid curbs and other obstructions. • Signal and make your pass on level terrain with • Under certain conditions, however, (e.g., when the BRAKING plenty of clearance trailer has a large frontal area that adds substantial • Allow considerably more distance for stopping with • If necessary, downshift for improved acceleration air drag or when trailering in hilly or mountainous trailer attached DRIVING WITH AN AUTOMATIC terrain) it is wise to choose a larger engine • Remember, the braking system of the tow vehicle is OVERDRIVE TRANSMISSION • Selecting a trailer with a low-drag, rounded front rated for operation at the GVWR, not GCWR With certain automatic overdrive transmissions, design will help optimize performance and fuel • If your tow vehicle is a F-150, F-Series Super towing – especially in hilly areas – may cause economy Duty ®, or E-Series and your trailer has electric excessive shifting between overdrive and the next NOTE: For additional trailering information pertaining to your brakes, the optional Trailer Brake Controller (TBC) lower gear. vehicle, refer to the vehicle Owner Guide. will help assure smooth, effective trailer braking by • To eliminate this condition and achieve steadier automatically proportioning the trailer braking to performance, overdrive can be locked out (see that of the towing vehicle Photography, illustrations and information presented herein vehicle Owner Guide) were correct when approved for printing. Ford Motor Company • If your trailer starts to sway, apply brake pedal • If excessive shifting does not occur, use overdrive reserves the right to discontinue or change at any time the specifications or designs without incurring obligation. Some gradually. The sliding lever on the TBC should to optimize fuel economy features shown or described are optional at extra cost. Some be used only for manual activation of trailer • Overdrive may also be locked out to obtain engine options are required in combination with other options. Consult your Dealer for the latest, most complete information on brakes when adjusting the gain. Misuse, such braking on downgrades models, features, prices and availability. as application during trailer sway, could cause • When available, select Tow/Haul mode to Many of the recreational vehicles shown in this brochure instability of trailer and/or tow vehicle automatically eliminate unwanted gear search and are modified or manufactured by companies other than Ford Motor Company. Ford assumes no responsibility for such TOWING ON HILLS help control vehicle speed when going downhill modifications or manufacturing. • Downshift the transmission to assist braking on steep downgrades and to increase power (reduce lugging) when climbing hills • With TorqShift ® transmission, select Tow/Haul mode to automatically eliminate unwanted gear search when going uphill and help control vehicle speed when going downhill For more vehicle information, please visit www.fordvehicles.com.